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In a plant, a cross between homozygous red-flowered (RR) plants and homozygous white-flowered (rr) plants showed a progeny of plants with all pink flowers,
What is this phenomenon known as?
(a)Incomplete dominance
(b)Complete dominance
(c)Codominance
(d)Epistasis

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Important Questions on Inheritance and Variation
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blood type in man is an example of
1. Pleiotropy
2. Incomplete dominance
3. Co-dominance
4. Multiple allelism
Select the code for the correct answer from the options given below:

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Column – I | Column – II |
(a) Dominance | (i) Many genes govern a single character |
(b) Codominance | (ii) In a heterozygous organism, only one allele expresses itself |
(c) Pleiotropy | (iii) In a heterozygous organism, both alleles express themselves fully |
(d) Polygenic inheritance | (iv) A single gene influences many characters |

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Assertion (A) : If the allele produces a less functional enzyme or non-functional enzyme the phenotype may be affected.
Reason (R) : The phenotype trait will not be dependent on the functioning of the unmodified allele.
The correct option among the following is:

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